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To do this you will need a decent syphon pump. DO NOT use any other method as you are working with a very flammable fuel!!!
ONLY do this with ALL the vehicle's doors AND windows WIDE open and parked Outside!
Some vehicles have an access panel built into the floor underneath the rear bench seat. This gives access to the top of the fuel tank, fuel sender unit and the fuel pump. Once these are removed you can syphon the fuel directly from the tank.
If there is no access panel you will need to SAFELY get underneath the vehicle and physically remove the tank to empty it. This is a TWO PERSON job as the tank will be VERY heavy!
Trying to syphon via the fill hole often won't work as most vehicle manufacturers fit a 'baffle' into the pipe to prevent fuel theft.
Fuel filter's anymore are located on the fuel pump, INSIDE, the gas tank. You'd have to drop the gas tank to get at it. The first gen MPV had an interior door that let you service the pump if needed. If you suspect debris in the tank one way would be to not fill up with gas then when really low, drain the tank. If you suspect water in the tank just use dry gas additive. Good luck!
Just because the fuel pump is working doesn't mean it's supplying the correct pressure. You need to do a fuel pressure test to rule out the fuel pump. Change the fuel filter too if it is inline.
I've never found an accessable extenal one on our 2004 MPV [crazy, huh?] But we have the official factory technicians service ["workshop"] manual, purchased from Mazda & it lists 2 fuel filters - it shows both are in the gas tank; the low pressure appears to be the simple screen on the pump intake & the high pressure is in the outflow from the pump - apparently connected to, or just under, the "fuel pump unit cover." So the answer is: both the "low pressure" screen & what I would call the "real" high-pressure filter are inside the gas tank.. Hope that helps Cheers, Bk
The pump is in the tank. Before you consider dropping the tank. Lift the carpet in the back seat above the tank. The older MPVs had a trap door which would access the pump with out dropping the tank. It is definitely worth a look. I changed mine in half an hour.
Don't drop the gas tank. Pull back the carpet in front of the rear seat and there will be a square cover closer to behind the passenger seat with 4 screws holding it down. Remove that cover and it will expose your fuel sending unit cover. This will be circular in shape with 6 or 8 small philips head screws holding it in place. Unfortunately they will probably be very rusty and hard to get out. You will first need to disconnect the electrical plug and the 2 fuel lines. After removal of the fuel lines and the screws carefully remove unit to expose fuel pump.
The fuel pump relay is located below the right side of the dash to the left of the engine control module. There is also a 15amp fuse
for the fuel pump. In the fuse block under the left side of the dash
fuse #19. Hope this helps.
try unplugging the mass air flow sensor in the air intake tube from the airfilter housing to the engine and see if the problem gets better, if it does the sensor is bad if not could be anything from a tune-up to catalytic converter
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